Finding the Third Proportional to 1,740 and 2,610
Calculator
Solution
The third proportional to 1,740 and 2,610 is: 3,915
Step by Step Solution
- Step 1: Write the proportion equation
1,740 : 2,610 = 2,610 : x - Step 2: Convert to fraction form
1,740/2,610 = 2,610/x - Step 3: Cross multiply
1,740x = 2,610 × 2,610 - Step 4: Simplify right side
1,740x = 6,812,100 - Step 5: Solve for x
x = 6,812,100/1,740 - Step 6: Final answer
x = 3,915
Related Problems
Find third proportional to 870 and 1,305
Half scale
Find third proportional to 3,480 and 5,220
Double scale
Find third proportional to 1,742 and 2,613
Similar ratio
Find third proportional to 2,610 and 3,915
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.